May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows 11, version 25H2 and Microsoft server operating...

March 10, 2026—Hotpatch KB5078737 (OS Build 20348.4830)

March 10, 2026—Hotpatch KB5078737 OS Build 20348.4830 This Hotpatch update for Windows Server 2022 KB5078737, improves functionality, performance, and reliability. To learn more about differences between security updates, optional non-security preview updates, out-of-band OOB updates, and...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5084069)

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 KB5084069 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...

April 14, 2026-KB5084067 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

April 14, 2026-KB5084067 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Revised April 22, 2026: Revised on April 22nd, 2026 to add the known issue section. Release Date: April 14, 2026 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes t...

September 22, 2025—KB5068221 (OS Build 26100.6588) Out-of-band

September 22, 2025—KB5068221 OS Build 26100.6588 Out-of-band Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business...

May 13, 2025—KB5058387 (OS Build 10240.21014)

May 13, 2025—KB5058387 OS Build 10240.21014 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend...

May 13, 2025—KB5058392 (OS Build 17763.7314)

May 13, 2025—KB5058392 OS Build 17763.7314 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend...

May 13, 2025—KB5058405 (OS Builds 22621.5335 and 22631.5335)

May 13, 2025—KB5058405 OS Builds 22621.5335 and 22631.5335 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 23H2, see its update history page. This month's video is ready for you at...

July 8, 2025—KB5062557 (OS Build 17763.7558)

July 8, 2025—KB5062557 OS Build 17763.7558 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devices for the past...

May 13, 2025—KB5058383 (OS Build 14393.8066)

May 13, 2025—KB5058383 OS Build 14393.8066 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1607, see its update history page. Important Windows updates do not install...

May 13, 2025—KB5058379 (OS Builds 19044.5854 and 19045.5854) - EXPIRED

May 13, 2025—KB5058379 OS Builds 19044.5854 and 19045.5854 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. ---...

June 10, 2025—KB5060526 (OS Build 20348.3807)

June 10, 2025—KB5060526 OS Build 20348.3807 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history page for Windows Server 2022, Follow @WindowsUpdate to find out when new content is publishe...

June 24, 2025—KB5061087 (OS Build 19045.6036) Preview

June 24, 2025—KB5061087 OS Build 19045.6036 Preview Important Windows updates do not install Microsoft Store application updates. If you are an enterprise user, see Microsoft Store apps - Configuration Manager. If you are a consumer user, see Get updates for apps and games in Microsoft Store. For...

May 13, 2025—Hotpatch KB5058497 (OS Build 26100.3981)

May 13, 2025—Hotpatch KB5058497 OS Build 26100.3981 Windows Server 2025 Datacenter & Standard machines connected to Azure Arc, now have the option to subscribe to hotpatch servicing. Hotpatch provides the ability to install OS security updates without restarting your machine. Improvements and fix...

June 10, 2025—KB5060533 (OS Builds 19044.5965 and 19045.5965)

June 10, 2025—KB5060533 OS Builds 19044.5965 and 19045.5965 Notice for Surface Hub v1 users DO NOT install this update. Instead, install updateKB5063159. For more information, see the Known issues in this update section.​​​​​​​ --- Important Windows updates do not install Microsoft Store...

June 10, 2025—Hotpatch KB5060525 (OS Build 20348.3745)

June 10, 2025—Hotpatch KB5060525 OS Build 20348.3745 Improvements and fixes This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. This update makes miscellaneous security improvements to internal OS...

KB5060954: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 10, 2025

KB5060954: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 10, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes fo...

May 27, 2025—KB5061979 (OS Builds 19044.5859 and 19045.5859) Out-of-band

May 27, 2025—KB5061979 OS Builds 19044.5859 and 19045.5859 Out-of-band Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will stil...

KB5058524: Servicing stack update for Windows 10, version 1607 and Server 2016: May 13, 2025

KB5058524: Servicing stack update for Windows 10, version 1607 and Server 2016: May 13, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows...

April 11, 2025—KB5058919 (OS Builds 22621.5192 and 22631.5192) Out-of-band

April 11, 2025—KB5058919 OS Builds 22621.5192 and 22631.5192 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 23H2, see its update history page. Follow @WindowsUpdate to find...